Overview
The BC817-40-QR is an NPN general-purpose transistor produced by Nexperia USA Inc. This transistor is housed in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package, making it suitable for a wide range of applications where space is limited. It is part of Nexperia’s extensive portfolio of bipolar transistors, which are known for their high performance and reliability. The BC817-40-QR is particularly noted for its high current handling and three current gain selections, making it versatile for various electronic designs.
Key Specifications
| Type number | Package version | Package name | Size (mm) | Channel type | P tot (mW) | V CEO [max] (V) | I C [max] (mA) | h FE [min] | h FE [max] | T J [max] (°C) | Automotive qualified |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BC817-40-Q | SOT23 | SOT23 | 2.9 x 1.3 x 1 | NPN | 250.0 | 45.0 | 500.0 | 250.0 | 600.0 | 150 | Yes |
Key Features
- High Current Handling: The BC817-40-QR can handle up to 500 mA of collector current, making it suitable for high-current applications.
- Three Current Gain Selections: Available in different current gain (h_FE) selections, providing flexibility in design.
- Automotive Qualified: Qualified according to AEC-Q101, making it reliable for use in automotive applications.
- Compact Package: The SOT23 package is small and surface-mountable, ideal for space-constrained designs.
- General-Purpose Switching and Amplification: Suitable for both switching and amplification applications due to its versatile characteristics.
Applications
The BC817-40-QR transistor is versatile and can be used in a variety of applications across different industries. Some of the key application areas include:
- Automotive: Given its AEC-Q101 qualification, it is highly suitable for automotive systems, including control units, sensors, and other electronic components.
- Industrial: Used in industrial control systems, power supplies, and other high-reliability applications.
- Consumer Electronics: Found in various consumer electronic devices such as audio equipment, power supplies, and other general-purpose electronic circuits.
- Power and Computing: Used in power management circuits, computing peripherals, and other high-performance electronic systems.
Q & A
- What is the maximum collector current of the BC817-40-QR transistor?
The maximum collector current is 500 mA. - What is the package type of the BC817-40-QR transistor?
The transistor is housed in a SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package. - Is the BC817-40-QR transistor automotive qualified?
Yes, it is qualified according to AEC-Q101. - What are the typical applications of the BC817-40-QR transistor?
It is used in automotive, industrial, consumer electronics, power, and computing applications. - What is the maximum junction temperature of the BC817-40-QR transistor?
The maximum junction temperature is 150°C. - What are the current gain (h_FE) ranges for the BC817-40-QR transistor?
The current gain ranges from 250 to 600. - Can the BC817-40-QR transistor be used for both switching and amplification?
Yes, it is suitable for both switching and amplification applications. - How can I obtain samples of the BC817-40-QR transistor?
Samples can be ordered via Nexperia’s sales organization or through their network of global and regional distributors. - What is the maximum collector-emitter voltage (V_CE) of the BC817-40-QR transistor?
The maximum collector-emitter voltage is 45 V. - Is the BC817-40-QR transistor RoHS compliant?
Yes, it is RoHS compliant.
